Sergey K.

Sergey K.

Senior iOS Developer

Kremenchuk, Ukraine
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About Me

Sergey is a Senior iOS Developer creating highly reusable and maintainable components and libraries for use across mobile applications - crafting frameworks to reduce defects, improve quality and enable delivery to the AppStore. He works across various layers of the mobile infrastructure, building new features and fixing bugs on solutions according to timelines, specifications and quality metrics.

Work history

UpStack
UpStack
Senior iOS Developer
2022 - Present (2 years)
Remote
  • Creating and developing innovative mobile software solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

Serious Software
Serious Software
Senior iOS Developer
2021 - Present (3 years)
United Kingdom
  • Designed and implemented new solutions for VoIP calls on an enterprise application.

  • Worked on solutions to handle REST API requests on the application - creating solutions to enhance user satisfaction.

  • Built and implemented custom UIs on the application using clean architecture design philosophies and techniques.

The Burger Priest
The Burger Priest
iOS Developer
2020 - 2021 (1 year)
Remote
  • Researched and implemented modern design concepts and patterns in delivering quality, custom UIs on the application.

  • Implemented new solutions to connect services on the application through REST-requests.

  • Finetuned the mobile application with the implementation of saving prayers in Realm on the project.

ABUK
ABUK
iOS Developer
2019 - 2020 (1 year)
Ukraine
  • Worked within product scope and design to implement custom UIs and animations on the project.

  • Improved the technical quality of REST-requests and backend processes on the ABUK app.

  • Designed and implemented solutions to download and save save data on books on the server-side for the app.

Spotlogic
Spotlogic
iOS Developer
2019 - 2020 (1 year)
Remote
  • Provided up-to-date expertise for the development, improvement, and release of the Spotlogic iOS App.

  • Designed and created functional features on the app to improve customer interaction, sales approach and analytics on the solution.

  • Managed and maintained critical issues on the consultative sales app using various Apple technologies and best practices.

Pedaru
Pedaru
iOS Developer
2017 - 2019 (2 years)
Japan
  • Worked on solutions to integrate 3rd-party libraries with GPS devices on the Pedaru platform to parse geodesy data.

  • Developed and implemented new UI solutions on the app to display Google Map info, lines and polygons for end-users.

  • Engaged in full lifecycle development of solutions for Pedaru - handling edge cases, usability and general reliability.

Mabany Tenant
Mabany Tenant
iOS Developer
2017 - 2019 (2 years)
Dubai, United Arab Emirates
  • Built a mobile app for Mabany's integrated online system to connect tenants with facility managers for a user-friendly experience.

  • Developed and maintained the native iOS application with complex UI and functionality features for end-users.

  • Handled the full mobile development life cycle on the project - integrating solutions with backend services, 3rd-party libraries and APIs.

ACICO Homes
ACICO Homes
iOS Developer
2017 - 2019 (2 years)
Remote
  • Led the iOS team to develop and deliver a quality iOS-based project management tool from conception through App Store launch.

  • Worked on iterative, short-term bug fixes, changing requirements and complex issues on the project for ACICO Homes.

  • Collaborated with stakeholders to demonstrate the value and benefits of the tool to clients - enhancing business agility and efficiency.

DocChat
DocChat
iOS Developer
2016 - 2019 (3 years)
Remote
  • Designed innovative and high-quality mobile app with features and functionalities that comply with modern technical designs.

  • Defined, designed, and shipped new features on the app using the latest coding standards.

  • Maintained code quality, identified and corrected bottlenecks and fixed bugs on the solution.

Portfolio

iOS Developer - The Burger's Priest
iOS Developer - The Burger's Priest

The Burger's Priest app offers a convenient way for users to order delivery or order ahead and skip the line for pick up at The Burger's Priest locations to enjoy mouthwatering classics or top burgers how they like them. Designed custom UIs and implemented services to handle REST API requests on the app.

iOS Developer - ABUK app
iOS Developer - ABUK app

Designed and implemented solutions on the ABUK app that has a collection of professional audio versions of classic and the best modern works of Ukrainian and world literature. The app allows users to buy, download and listen to books online or offline. Worked on the UI and animations for the app and implemented solutions to download and save data on the server-side.

iOS Developer - Spotlogic
iOS Developer - Spotlogic

Developed and implemented solutions on the Spotlogic iOS app, an AI-centric sales enablement platform designed to help salespeople sell more by learning more in each customer interaction. Led processes to deliver the app through the mobile development lifecycle.

Education

Master's Degree in Information Technology and Management
Master's Degree in Information Technology and Management
Kremenchug University of Economics
2014 - 2016 (2 years)